Nyuma ya asfalt ivanze mu ruganda rwa Asfalt, izaseswa binyuze muri sisitemu idasanzwe yo gusohora, nayo niyo ihuriro rya nyuma mu murimo wo kuvanga Asfalt. Nubwo bimeze bityo, hari ibintu bikenewe kwitabwaho.

Kugirango gahunda isezererwe yigihingwa cyo kuvanga Asfalt, mbere ya byose, menya neza ko yashyizweho neza; Icya kabiri, nyuma yo kuvanga, umubare usigaye wibintu bisigaye bigomba kugenzurwa hafi 5% yubushobozi bwo gusohora, nabwo bugomba no kugenzura imikorere ivanze. Muri icyo gihe, gusukura imbere muri mixer bizafasha kwagura ubuzima bwa serivisi.
Nyuma ya Asfalt isezerewe kubera uruganda ruvanze, urugi rukeneye gufungwa rwizewe, kandi rukareba niba hari ibisigazwa bisigaye cyangwa ngo bihagarike nibindi byiza bitifuzwa. Niba hari, bigomba gufatanwa uburemere kandi bigenzurwa no gusana mugihe.